You use the expression ‘A Toss-Up’ to describe a situation where two possibilities
are equally likely.
Example of use: “It’s a toss-up between the Hawks and the Bulldogs for this year’s softball championship.”
No one is certain where the term ‘a toss-up’ originated, although it is believed to be a direct reference to the act of flipping a coin. Coins with different designs on either side have been produced for thousands of years, and it is quite likely that this expression has its origins in ancient times.